Urinary tract infection - Cystitis (Pediatrics - PEDS)

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Cystitis refers to inflammation of the bladder, generally caused by infection, often by germs of the gastrointestinal tract (E. Coli). It may be spontaneous or associated with anatomical factors, chronic diseases, bladder stones, etc. In newborns up to one year of age, symptoms are non-specific: lack of energy, loss of appetite, hypothermia, vomiting, diarrhea, stunted growth, fever, etc. In children aged 1 to 2 years old, it typically presents with a plateau in growth/weight development, lack of energy, loss of appetite, gastrointestinal symptoms and fever. From two years of age, symptoms are more defined: painful urination, constant urge to urinate, incontinence or urinary retention, blood in the urine and urinary urgency. It is diagnosed based on symptoms, urinalysis and culture. Antibiotics are prescribed in most cases.
Bibliographic references
  1. Debra L Palazzi. Acute cystitis: Clinical features and diagnosis in children older than two years and adolescents. UpToDate. Julio 2016
  2. Debra L Palazzi. Acute cystitis: Management and prognosis in children older than two years and adolescents. UpToDate. Junio 2015
  3. Shaikh N. Does this child have a urinary tract infection? JAMA 2007; 298:2895.
  4. National Institute for Health and Care Excellence. CG54 Urinary tract infection in children. 2007 (Accessed on March 03, 2014).
  5. Boggan JC. Pediatric-specific antimicrobial susceptibility data and empiric antibiotic selection. Pediatrics 2012; 130:e615.
Author
Dr. Patricia Sánchez
Copyright
© TeckelMedical 2026

Symptoms

    A persistent urge to urinate that is uncomfortable


    Stinging/burning sensation when urinating


    Pain when passing urine


    Itch when passing urine


    Urinating differently than usual

Symptoms to watch out for

Fever not relieved by antipyretics (paracetamol, ibuprofen)
Pregnancy
Lower back pain
If the symptomatology persists for more than one week.
Having any comorbidity such as diabetes mellitus, obesity, heart disease, kidney disease, brain disease, liver disease.
History of immunodeficiency (HIV, Diabetes Mellitus, oncological disorders, long-term corticosteroid consumption).

Self-care

Maintain a fluid intake of 6 - 8 cups per day.
Avoid contact of microorganisms from the anal region with the urethra (orifice through which urine exits).
If fever is present (temperature higher than 100.4 ºF) use over-the-counter antipyretics.
Consult with your primary care physician regarding the prescription of antibiotics.